序號 | 代號 | 螺紋類型 | 螺紋規(guī)范 | 公螺紋 | 母螺紋 | ||||
牙/寸 | 錐度 | 大徑DS | 小徑DF | 螺紋長L | 鏜孔QF | 螺紋 長L | |||
1 |
| NC23 | 4 | 1:6 | 65.10 | 52.4 | 76.2 | 66.7 | 92.1 |
2 | 2A10 | NC26(23/8"IF) | 4 | 1:6 | 73.05 | 60.35 | 76.2 | 74.6 | 92.1 |
3 | 210 | NC31(27/8"IF) | 4 | 1:6 | 86.13 | 71.32 | 88.9 | 87.7 | 104.8 |
4 |
| NC35 | 4 | 1:6 | 94.97 | 79.09 | 95.2 | 96.8 | 111.1 |
5 | 310 | NC38(31/2"IF) | 4 | 1:6 | 102.01 | 85.07 | 101.6 | 103.6 | 117.5 |
6 | 4A20 | NC40(4"FH) | 4 | 1:6 | 108.71 | 89.66 | 114.3 | 110.3 | 130.2 |
7 |
| NC44 | 4 | 1:6 | 117.48 | 98.43 | 114.3 | 119.1 | 130.2 |
8 | 4A10 | NC46(4"IF) | 4 | 1:6 | 122.78 | 103.73 | 114.3 | 124.6 | 130.2 |
9 | 410 | NC50(41/2"IF) | 4 | 1:6 | 133.35 | 114.3 | 114.3 | 134.9 | 130.2 |
10 |
| NC56 | 4 | 1:4 | 149.25 | 117.5 | 127 | 150.8 | 142.9 |
11 |
| NC61 | 4 | 1:4 | 163.53 | 126.6 | 139.7 | 165.1 | 155.6 |
12 |
| NC70 | 4 | 1:4 | 185.75 | 147.65 | 152.4 | 187.3 | 168.3 |
13 |
| NC77 | 4 | 1:4 | 203.20 | 161.85 | 165.1 | 204.8 | 181 |
14 | 2A30 | 23/8"REG | 5 | 1:4 | 66.68 | 47.63 | 76.2 | 69.3 | 92.1 |
15 | 230 | 27/8"RED | 5 | 1:4 | 76.20 | 53.98 | 88.9 | 77.8 | 104.8 |
16 | 330 | 31/2"RED | 5 | 1:4 | 88.90 | 65.08 | 95.2 | 90.5 | 111.1 |
17 | 430 | 41/2"RED | 5 | 1:4 | 117.48 | 90.48 | 107.9 | 119.1 | 123.8 |
18 | 530 | 51/2"RED | 4 | 1:4 | 140.21 | 110.06 | 120.6 | 141.7 | 136.5 |
19 | 630 | 65/8"RED | 4 | 1:6 | 152.20 | 131.04 | 127 | 154 | 142.9 |
20 | 730 | 75/8"RED | 4 | 1:4 | 177.80 | 144.48 | 133.3 | 180.2 | 149.2 |
21 | 830 | 85/8"RED | 4 | 1:4 | 201.98 | 167.84 | 136.5 | 204.4 | 152.4 |
22 | 320 | 31/2"FH | 5 | 1:4 | 101.45 | 77.62 | 95.2 | 102.8 | 111.1 |
23 | 420 | 41/2"FH | 5 | 1:4 | 121.72 | 96.32 | 101.6 | 123.8 | 117.5 |
24 | 520 | 51/2"FH | 4 | 1:6 | 147.96 | 126.79 | 127 | 150 | 142.9 |
25 | 620 | 65/8"FH | 4 | 1:6 | 171.53 | 150.36 | 127 | 173.8 | 142.9 |
26 |
| 51/2"IF | 4 | 1:6 | 162.48 | 141.32 | 127 | 163.9 | 142.9 |
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